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BROCK vs Wells: heat pump ratings compared

Against heat pumps of the same size and type, a typical BROCK model beats 35% and a typical Wells model 63%. Wells rates higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

BROCK

35%

of similar heat pumps beaten by its typical model

Well below average

36 models listed

Wells

63%

of similar heat pumps beaten by its typical model

Well above average

37 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FBROCK: Beats 41%Wells: Beats 64%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBROCK: Beats 13%Wells: Beats 61%
  • Winter-long heating efficiencyHSPF2BROCK: Beats 24%Wells: Beats 74%
  • Summer-long cooling efficiencySEER2BROCK: Beats 24%Wells: Beats 62%
  • Hot-day cooling efficiencyEER2BROCK: Beats 64%Wells: Beats 59%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    BROCK
    19%
    Wells
    87%

  • Xcel CC

    BROCK
    0%
    Wells
    81%

  • CEE Advanced

    BROCK
    0%
    Wells
    3%

  • ENERGY STAR CC

    BROCK
    0%
    Wells
    84%

All-around best, ductless up to 1.5 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

BROCK

No ductless, up to 1.5 tons model from BROCK.

Wells

  1. 1WOS-06PRE/230with ductless indoor unit WIHW-06MOC/230Wells0.5 tons · 6,000 Btu/h · DuctlessCold-climate pick, score 94.4Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    107% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.29 (COP at 5°F)
    Top 10%
    Winter efficiency
    14.6 (HSPF2)
    Top 10%
    Cooling efficiency
    25.3 (SEER2)
    Top 10%
    Hot-day cooling
    16.0 (EER2)
    Top 10%
    93.8score / 100Heating 94 · Cooling 94
  2. 2WOS-09QUA/230with ductless indoor unit WICS-09MOC/230Wells1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 89.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    96% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.27 (COP at 5°F)
    Top 10%
    Winter efficiency
    13.9 (HSPF2)
    Top 10%
    Cooling efficiency
    26.0 (SEER2)
    Top 10%
    Hot-day cooling
    16.2 (EER2)
    Top 10%
    92.6score / 100Heating 90 · Cooling 96
  3. 3WOS-09PRE/230with ductless indoor unit WICS-09MOC/230Wells1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 73.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    126% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.9 (HSPF2)
    Great
    Cooling efficiency
    27.2 (SEER2)
    Top 10%
    Hot-day cooling
    15.1 (EER2)
    Top 10%
    83.6score / 100Heating 72 · Cooling 96

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

Open the advanced view